Page 443 - Foton Workshop Manual - Auman EST-M
P. 443
Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts DI - 389
Failure phenomenon list IN
Use the list below to help you find the reasons of failures. The number represents the order of failure reason
possibility. Check each part according to the order and replace it when necessary. DI
Failure phenomenon Possible reason Failure elimination
EG
1. Horn fuse Replace the same spec fuse
2. Horn relay Repair or replace the relay
TR
3. Circuit from horn relay to horn switch Repair or replace harness
Horn no sound 4. Horn switch Repair or replace the horn switch AX
5. Power circuit from horn relay to horn switch Repair or replace harness
FR
6. Horn Repair or replace the horn
7. Horn earth circuit Repair or replace harness
ST
1. Horn relay Repair or replace the relay
Horn always sounds 2. Horn switch Repair or replace the horn switch BR
3. Circuit from horn relay to horn switch Repair or replace harness
BW
EL
DI-389